A light-emitting device includes a strip-like high flexibility region and a strip-like low flexibility region arranged alternately in a direction. The high flexibility region includes a flexible light-emitting panel. The low flexibility region includes the light-emitting panel and a support panel having a lower flexibility than that of the light-emitting panel and overlapping with the light-emitting panel. it is preferable that the light-emitting panel include an external connection electrode and that a length in the direction of a low flexibility region A that overlaps with the external connection electrode be longer than a length in the direction of a low flexibility region B that is closest to the region A.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A light-emitting device comprising: a flexible light-emitting panel; a first support that supports the flexible light-emitting panel; a second support that supports the flexible light-emitting panel; and a sensor capable of determining whether the light-emitting device is in an opened state or a folded state, wherein the light-emitting device is foldable so that the flexible light-emitting panel is bent between the first support and the second support, wherein the light-emitting device is capable of putting a region of the flexible light-emitting panel in a non-light-emitting state, the region being hidden in the folded state, and wherein the first support and the second support are adjacent to each other and are apart from each other.
A flexible light-emitting device includes a bendable light-emitting panel supported by two separate supports. The device can be folded such that the panel bends between the supports, allowing the device to transition between an opened and a folded state. A sensor detects whether the device is in the opened or folded state. When folded, a portion of the light-emitting panel is hidden and automatically deactivated to prevent light emission from the concealed area. The supports are positioned adjacent to each other when the device is unfolded but move apart when folded, enabling the panel to bend without obstruction. This design ensures efficient use of the light-emitting panel while preventing unnecessary light emission from hidden regions when the device is folded. The flexible panel may be an organic light-emitting diode (OLED) or similar technology, and the supports provide structural rigidity while allowing folding. The sensor may be a mechanical switch, proximity sensor, or other detection mechanism to determine the device's state. This configuration improves energy efficiency and user experience by dynamically adjusting light emission based on the device's physical state.
2. The light-emitting device according to claim 1 , wherein light-emitting device is foldable in three.
A foldable light-emitting device is designed to address the need for compact, portable illumination solutions that can be easily stored or transported while maintaining high brightness and efficiency. The device incorporates a flexible or segmented structure that allows it to be folded into three distinct sections, enabling it to be collapsed into a smaller form factor when not in use. This folding mechanism may involve hinges, flexible substrates, or articulated joints that ensure the device remains functional and durable even after repeated folding. The light-emitting elements, such as LEDs or OLEDs, are integrated into the device in a way that maintains consistent illumination across the folded and unfolded states. The device may also include protective features to shield the light-emitting components during folding, such as reinforced edges or impact-resistant materials. Additionally, the device may incorporate power management systems to optimize energy efficiency, ensuring long-lasting performance in portable applications. The foldable design allows the device to be used in various configurations, such as a linear strip, a compact module, or a multi-directional light source, depending on the user's needs. This innovation is particularly useful in applications where space is limited, such as camping, emergency kits, or wearable lighting solutions.
3. The light-emitting device according to claim 1 , wherein the first support is thicker than the flexible light-emitting panel.
A light-emitting device includes a flexible light-emitting panel and a support structure. The support structure comprises a first support and a second support, where the first support is thicker than the flexible light-emitting panel. The flexible light-emitting panel is positioned between the first and second supports, and the first support is thicker than the panel to provide structural rigidity. The second support may be thinner or of similar thickness to the panel. The device may include additional components such as a light guide plate, a reflective layer, or a diffusion sheet to enhance light distribution. The flexible light-emitting panel emits light when activated, and the support structure ensures stability while maintaining flexibility. The thicker first support prevents deformation or bending of the panel, improving durability and performance. The device may be used in applications requiring flexible yet rigid light-emitting surfaces, such as displays, lighting systems, or signage. The design balances flexibility with structural integrity, addressing issues like panel sagging or uneven light emission caused by insufficient support.
4. The light-emitting device according to claim 1 , wherein the flexible light-emitting panel comprises: a transistor; an insulating layer over the transistor; a light-emitting element over the insulating layer, the light-emitting element being electrically connected to the transistor; and a touch sensor over the light-emitting element, wherein the flexible light-emitting panel is foldable with a curvature radius greater than or equal to 1 mm and less than or equal to 10 mm.
A flexible light-emitting device includes a flexible light-emitting panel with integrated touch sensing capabilities. The panel comprises a transistor, an insulating layer over the transistor, a light-emitting element over the insulating layer and electrically connected to the transistor, and a touch sensor over the light-emitting element. The panel is designed to be foldable with a curvature radius between 1 mm and 10 mm, allowing for compact and flexible display applications. The transistor provides electrical control for the light-emitting element, which emits light based on the input signal. The touch sensor enables user interaction by detecting touch inputs directly on the light-emitting surface. The insulating layer electrically isolates the transistor from the light-emitting element and touch sensor, ensuring proper functionality. This design integrates light emission and touch sensing into a single flexible structure, enabling applications in foldable displays, wearable devices, and other flexible electronic systems. The combination of flexibility and touch sensitivity enhances user experience in portable and bendable electronic devices.
5. A light-emitting device comprising: a flexible light-emitting panel; a first support that supports the flexible light-emitting panel; a second support that supports the flexible light-emitting panel; and a sensor capable of determining whether the light-emitting device is in an opened state or a folded state, wherein the light-emitting device is foldable so that the flexible light-emitting panel is bent between the first support and the second support, wherein the light-emitting device is capable of displaying different images in the opened state and the folded state, and wherein the first support and the second support are adjacent to each other and are apart from each other.
A flexible light-emitting device includes a bendable light-emitting panel supported by two separate supports. The device can switch between an opened state, where the panel is fully extended, and a folded state, where the panel is bent between the supports. A sensor detects the device's state, allowing it to display different images depending on whether it is opened or folded. The supports are positioned adjacent to each other when the device is folded but are spaced apart when opened. This design enables dynamic display configurations based on the device's physical state, enhancing versatility in applications such as foldable displays or interactive surfaces. The flexible panel ensures smooth bending without damage, while the supports provide structural stability in both states. The sensor ensures automatic adaptation of the displayed content, improving user experience by eliminating manual adjustments. This technology addresses the need for adaptable, space-efficient displays that can switch between different modes of operation.
6. The light-emitting device according to claim 5 , wherein the light-emitting device is foldable in three.
A foldable light-emitting device is designed to address the need for compact, portable lighting solutions that can be easily stored or transported while maintaining functionality. The device is structured to fold into three distinct sections, allowing it to be collapsed into a smaller form factor when not in use. Each section of the device contains light-emitting elements, such as LEDs, that provide illumination when the device is unfolded. The folding mechanism ensures that the light-emitting elements remain protected and aligned when the device is in its compact state, preventing damage and maintaining performance. The device may also include a power source, such as a battery, integrated into one or more of the sections to provide energy to the light-emitting elements. The foldable design allows the device to be adjusted to different angles or configurations, enhancing versatility in lighting applications. This design is particularly useful for portable lighting, emergency lighting, or applications where space is limited. The folding mechanism may include hinges, flexible connectors, or other structural elements that enable smooth and durable folding and unfolding. The device may also include additional features, such as adjustable brightness, multiple lighting modes, or waterproofing, to enhance usability in various environments.
7. The light-emitting device according to claim 5 , wherein the first support is thicker than the flexible light-emitting panel.
A light-emitting device includes a flexible light-emitting panel and a support structure. The support structure comprises a first support and a second support, where the first support is thicker than the flexible light-emitting panel. The flexible light-emitting panel is positioned between the first and second supports, and the first support is thicker than the panel to provide structural rigidity. The second support may be thinner or of similar thickness to the panel. The device may include additional components such as a light guide plate, a reflective sheet, and a circuit board. The flexible light-emitting panel emits light when powered, and the support structure ensures stability and durability. The thicker first support enhances mechanical strength, preventing deformation or damage to the panel during handling or use. The device is designed for applications requiring flexibility combined with structural integrity, such as displays, lighting systems, or wearable electronics. The support structure may also include adhesive layers to secure the panel between the supports. The overall design balances flexibility with rigidity, ensuring reliable performance in dynamic environments.
8. The light-emitting device according to claim 5 , wherein the flexible light-emitting panel comprises: a transistor; an insulating layer over the transistor; a light-emitting element over the insulating layer, the light-emitting element being electrically connected to the transistor; and a touch sensor over the light-emitting element, wherein the flexible light-emitting panel is foldable with a curvature radius greater than or equal to 1 mm and less than or equal to 10 mm.
A flexible light-emitting device includes a flexible light-emitting panel with integrated touch sensing capabilities. The panel comprises a transistor, an insulating layer over the transistor, and a light-emitting element over the insulating layer, electrically connected to the transistor. A touch sensor is positioned over the light-emitting element, enabling touch input detection. The panel is designed to be foldable with a curvature radius between 1 mm and 10 mm, allowing for compact and flexible form factors. The device combines light emission, touch sensing, and flexibility in a single integrated structure, addressing the need for versatile, space-efficient displays and input interfaces in portable electronics. The transistor provides control over the light-emitting element, while the touch sensor enables interactive functionality. The insulating layer ensures electrical isolation between components. The specified curvature range ensures durability and practical usability in folded configurations. This design is particularly useful for foldable smartphones, tablets, and wearable devices where space efficiency and flexibility are critical.
9. A light-emitting device comprising: a flexible light-emitting panel; a first support that supports the flexible light-emitting panel; a second support that supports the flexible light-emitting panel; and a sensor capable of determining whether the light-emitting device is in an opened state or a folded state, wherein the light-emitting device is foldable so that the flexible light-emitting panel is bent between the first support and the second support, wherein the light-emitting device is capable of putting a region of the flexible light-emitting panel in a non-light-emitting state, the region being hidden in the folded state, wherein the first support and the second support are adjacent to each other and are apart from each other, wherein the first support is thicker than the flexible light-emitting panel, wherein the flexible light-emitting panel comprises: a transistor; an insulating layer over the transistor; a light-emitting element over the insulating layer, the light-emitting element being electrically connected to the transistor; and a touch sensor over the light-emitting element, wherein the flexible light-emitting panel is foldable with a curvature radius greater than or equal to 1 mm and less than or equal to 10 mm.
A light-emitting device designed for flexible display applications, addressing the challenge of managing power consumption and user interaction in foldable displays. The device comprises a flexible light-emitting panel supported by two adjacent yet separated supports, with the panel capable of bending between them. A sensor detects whether the device is in an opened or folded state, enabling dynamic control of the panel's light-emitting regions. Specifically, a portion of the panel hidden in the folded state can be deactivated to save power. The flexible light-emitting panel integrates multiple layers: a transistor layer, an insulating layer, a light-emitting element (electrically connected to the transistor), and a touch sensor layer. The panel is engineered to fold with a curvature radius between 1 mm and 10 mm, balancing flexibility and structural integrity. The first support is thicker than the panel itself, providing mechanical reinforcement where needed. This design allows the device to transition between compact folded and expanded opened states while optimizing energy use and maintaining touch sensitivity.
10. The light-emitting device according to claim 9 , wherein the light-emitting device is foldable in three.
A foldable light-emitting device is designed to address the need for compact, portable illumination solutions that can be easily stored and transported. The device features a flexible or segmented structure that allows it to be folded into three distinct sections, enabling a compact form factor when not in use. Each section of the device contains light-emitting elements, such as LEDs, arranged to provide uniform or adjustable lighting when unfolded. The folding mechanism may include hinges, flexible substrates, or other articulation methods to ensure durability and reliable operation. When unfolded, the device extends to provide a larger lighting surface, while folding reduces its size for storage. The design may also incorporate power management features to optimize battery life and ensure safe operation during folding and unfolding. This technology is particularly useful for portable lighting applications, such as camping, emergency kits, or wearable lighting systems, where space efficiency and ease of use are critical. The three-fold design balances compactness with sufficient lighting area, making it versatile for various environments and user needs.
11. The light-emitting device according to claim 9 , wherein the light-emitting device is capable of displaying different images in the opened state and the folded state.
A light-emitting device is designed to display different images depending on its physical configuration. The device includes a flexible display panel with a light-emitting layer and a reflective layer. The reflective layer is positioned to reflect light from the light-emitting layer when the device is in a folded state, enhancing brightness and visibility. In the opened state, the device operates as a conventional light-emitting display, emitting light directly from the light-emitting layer. The reflective layer is configured to switch between an active and inactive state based on the device's configuration, allowing the display to adapt its output. This dual-mode functionality improves energy efficiency and versatility, enabling the device to optimize performance for different viewing conditions. The reflective layer may include a liquid crystal layer or other adjustable reflective elements to control light reflection dynamically. The device is particularly useful in portable electronic applications where adaptability and power efficiency are critical.
12. The light-emitting device according to claim 1 , wherein the flexible light-emitting panel comprises an electroluminescence element.
A light-emitting device includes a flexible light-emitting panel that emits light in response to an electrical signal. The panel is designed to be bendable or deformable, allowing it to conform to curved or irregular surfaces. The flexible light-emitting panel incorporates an electroluminescence element, which generates light when an electric current passes through it. Electroluminescence elements, such as organic light-emitting diodes (OLEDs) or inorganic light-emitting diodes (LEDs), produce light efficiently and can be integrated into thin, flexible substrates. The device may also include a control circuit that regulates the electrical signal to control the intensity, color, or pattern of the emitted light. The flexible nature of the panel enables applications in wearable electronics, flexible displays, or lighting systems where rigidity is undesirable. The electroluminescence element ensures uniform light emission and energy efficiency, making the device suitable for dynamic lighting environments. The overall design addresses the need for flexible, durable, and energy-efficient light-emitting solutions in various industries.
13. The light-emitting device according to claim 5 , wherein the flexible light-emitting panel comprises an electroluminescence element.
A light-emitting device includes a flexible light-emitting panel that emits light in response to an electrical signal. The panel is designed to be bendable or deformable, allowing it to conform to curved or irregular surfaces. The device also includes a control unit that generates and transmits the electrical signal to the panel, controlling its light emission. The flexible light-emitting panel incorporates an electroluminescence element, which emits light when an electric current passes through it. Electroluminescence elements are known for their ability to produce light efficiently and can be made flexible, making them suitable for applications where rigidity is undesirable. The control unit may adjust the electrical signal to modify the intensity, color, or pattern of the emitted light. This design enables the device to be used in various applications, such as flexible displays, lighting systems, or wearable electronics, where adaptability to different shapes and environments is required. The electroluminescence element ensures reliable and controllable light emission while maintaining flexibility.
14. The light-emitting device according to claim 9 , wherein the flexible light-emitting panel comprises an electroluminescence element.
A light-emitting device includes a flexible light-emitting panel configured to emit light in response to an electrical signal. The panel is designed to be bendable or deformable, allowing it to conform to curved or irregular surfaces. The device also includes a control unit that generates the electrical signal to drive the light-emitting panel. The control unit may adjust the signal to control the intensity, color, or pattern of the emitted light. The flexible light-emitting panel incorporates an electroluminescence element, which emits light when an electric field is applied. This element may be an organic light-emitting diode (OLED) or another electroluminescent material. The device can be used in applications requiring flexible or conformal lighting, such as wearable electronics, curved displays, or lighting integrated into flexible structures. The electroluminescence element provides efficient light emission with low power consumption and high flexibility, making it suitable for dynamic or portable lighting solutions. The control unit may include circuitry to modulate the electrical signal, ensuring precise control over the light output. The overall design enables the device to maintain performance even when bent or stretched, addressing challenges in traditional rigid lighting systems.
15. A light-emitting device comprising: a flexible light-emitting panel; a first support that supports the flexible light-emitting panel; a second support that supports the flexible light-emitting panel; and a sensor capable of determining whether the light-emitting device is in an opened state or a folded state, wherein the light-emitting device is foldable so that the flexible light-emitting panel is bent between the first support and the second support, wherein, when the sensor determines the light-emitting device is the folded state, the light-emitting device is capable of displaying an image that does not depend on an image in the opened state, and wherein the first support and the second support are adjacent to each other and are apart from each other.
A flexible light-emitting device includes a bendable light-emitting panel supported by two separate supports. The device can transition between an opened state, where the panel is flat, and a folded state, where the panel is bent between the supports. A sensor detects the device's state. When folded, the device displays an image that differs from the image shown in the opened state. The supports are positioned adjacent to each other but remain spaced apart, allowing the panel to bend between them. This design enables dynamic display content based on the device's physical configuration, useful for applications requiring adaptable visual output in different form factors. The flexible panel and adjustable supports provide a compact, versatile display solution. The sensor ensures proper image rendering based on the device's state, enhancing user experience by automatically adjusting content. This technology addresses the need for flexible, multi-state displays that can adapt to different usage scenarios while maintaining structural integrity.
16. The light-emitting device according to claim 15 , wherein the flexible light-emitting panel comprises an electroluminescence element.
A light-emitting device includes a flexible light-emitting panel configured to emit light in response to an electrical signal. The panel is designed to be bent or flexed without damaging its light-emitting functionality. The device also includes a support structure that holds the flexible panel in a curved or bent configuration, allowing the panel to maintain its shape while emitting light. The support structure may be adjustable to change the curvature of the panel dynamically. The flexible light-emitting panel incorporates an electroluminescence element, which emits light when an electric field is applied. This element enables efficient and uniform light emission across the panel's surface. The device may be used in applications requiring flexible or conformable lighting solutions, such as wearable displays, curved architectural lighting, or flexible signage. The combination of the flexible panel and the support structure ensures durability and consistent performance even when the panel is bent or deformed. The electroluminescence element provides a reliable and energy-efficient light source, making the device suitable for various lighting and display applications.
Cooperative Patent Classification codes for this invention.
June 8, 2017
November 13, 2018
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